ZenLinux vs

Zen as a Linux alternative to Mozilla Firefox

Updated October 25, 2026

Our verdict

Zen can serve as a lightweight alternative to Firefox for users who value speed, minimal data collection, and a tidy tab management system. It supports core browsing functions, modern web standards, and basic privacy controls, making it suitable for casual users and those on low‑resource systems. However, power users who rely on Firefox’s extensive extension ecosystem, advanced sync features, or deep customization will find Zen lacking. Overall, Zen is a solid replacement for everyday browsing but not for users needing full Firefox functionality.

Feature parity70%

License: MPL-2.0
Price: Free
Latest version: 1.23.4b (October 21, 2026)
Rating: —

Install Zen Website ↗

What works the same

Both run on Linux and render modern web content (HTML5, CSS, JavaScript, WebGL).
Both support bookmarking, password management, and basic privacy settings.
Both allow extensions/add‑ons (Zen via WebExtensions, Firefox via its own system).
Both can import/export bookmarks and passwords from Firefox.
Both provide tab grouping features (Zen’s tab groups vs Firefox’s containers).

What is different

Zen lacks a comprehensive sync service for tabs, history, and settings across devices.
Zen’s extension support is limited to WebExtensions; many Firefox‑specific add‑ons are incompatible.
Zen does not offer a built‑in developer tools panel like Firefox’s Inspector.
Zen’s privacy controls are less granular; it does not provide a tracking protection list as detailed as Firefox’s.
Zen does not support Firefox’s advanced configuration via about:config or developer console.

Opening your Mozilla Firefox files

Zen can import bookmarks and passwords from Firefox’s JSON export files. However, it does not natively open Firefox profile directories or .xpi extension files. Exporting from Zen to Firefox is not supported directly; users must manually transfer bookmarks via HTML export and passwords via a compatible manager.

Switching from Mozilla Firefox to Zen, step by step

Export bookmarks from Firefox to an HTML file (Bookmarks > Export).
Export saved passwords from Firefox using a password manager or the built‑in export feature.
Open Zen and import the HTML bookmarks file via its import dialog.
Manually add passwords to Zen’s password manager or a third‑party manager.
Install any essential WebExtensions in Zen that are compatible.
Adjust Zen’s privacy settings to match your preferences.

Key features of Zen

Split view for multitasking
Web sidebar for quick navigation
Tab groups to organize sessions
Customizable interface with themes
Vertical tabs for better space usage
Privacy‑focused design with minimal data collection

How to install Zen on Linux

Flatpak (Flathub)flatpak install flathub app.zen_browser.zen

Frequently asked questions

Does Zen support Firefox extensions?

Zen supports WebExtensions, but many Firefox‑specific add‑ons are not compatible. Check the Zen add‑on store for available extensions.

Can Zen sync my data across devices?

Zen does not have a built‑in sync service. You would need to use a third‑party sync solution or rely on the browser’s own sync if available.

Will Zen keep my browsing history private?

Zen is designed with privacy in mind and collects minimal data, but it does not offer the same level of tracking protection as Firefox’s Enhanced Tracking Protection. Adjust the privacy settings accordingly.